Oven Gratin Potatoes

Prep: 15 min Cook: 45 min Serves: 6 Cuisine: French

Creamy oven gratin potatoes with herbs and spices, layered and baked to perfection—ideal as a comforting side dish for family meals or special gatherings.

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Ingredients

  • 3 large potatoes, peeled and sliced
  • 1/4 tsp. savory
  • 1/4 tsp. cayenne pepper
  • 1/4 tsp. white pepper
  • 1 Tbsp. chopped fresh parsley
  • 1 garlic clove, peeled
  • 2 eggs, beaten
  • 3/4 c. milk
  • 1/2 c. heavy cream
  • salt

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Drain potatoes and dry slices well, then place in a bowl.
  3. Mix savory, cayenne pepper, white pepper, and chopped parsley together.
  4. Add the herb mixture to the potatoes and toss to coat.
  5. Rub a baking dish with the peeled garlic clove.
  6. Butter the dish generously and arrange the potato slices in layers.
  7. Season with salt as desired.
  8. In a separate bowl, beat the eggs and then mix in the milk and heavy cream.
  9. Pour the egg mixture over the layered potatoes.
  10. Bake in the preheated oven for 40 to 50 minutes until golden and bubbly.

Tips & Substitutions

For a creamier texture, consider adding a bit of grated cheese between the layers of potatoes. If you don't have savory, thyme or rosemary can be great substitutes. Make sure to dry the potato slices well to achieve a crispy crust. Use a mandoline for even slicing, which helps with cooking consistency. If you prefer a spicier kick, add more cayenne pepper to taste.

Serving Suggestions

This oven gratin potatoes dish pairs beautifully with a simple green salad or the Hi Rise Salad for a fresh contrast. Serve it alongside roasted meats or as a hearty vegetarian main dish. For a complete meal, consider adding a side of steamed vegetables or a light soup, such as a classic vegetable soup.

Storage & Reheating

Store any leftover gratin in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and warm in a preheated oven at 350°F (175°C) until heated through, about 20 minutes. You can also microwave individual portions, but the oven will help maintain the crispy texture on top.

Nutrition & Diet Analysis (per serving)

Each serving of Oven Gratin Potatoes contains roughly 652 calories, with 13g protein, 68g carbohydrates, and 38g fat. It is an excellent source of iron (66% of the Daily Value), vitamin C (46% of the Daily Value), and potassium (43% of the Daily Value), and a good source of calcium. Note that it is relatively high in sodium, at 609mg per serving (26% of the Daily Value).

652 kcal 33% DV
Protein Fat Carbs

Macronutrients

Protein 12.7g 25% DV
Total Fat 38.3g 49% DV
Carbs 67.5g 25% DV
Fiber 10g 36% DV
Sugar 8.9g 18% DV

Electrolytes

Sodium 609.4mg 26% DV
Potassium 2002.6mg 43% DV
Cholesterol 61.8mg 21% DV

Vitamins & Minerals

Vitamin A 40.6mcg 5% DV
Vitamin C 41mg 46% DV
Vitamin D 0.4mcg 2% DV
Calcium 124mg 10% DV
Iron 12mg 66% DV
Diet fit High-fiber
Contains Milk Egg

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make gratin potatoes ahead of time?

Yes, you can prepare the gratin up to the baking step, cover it, and refrigerate for a day. When ready to bake, allow it to sit at room temperature for about 30 minutes before placing it in the oven. This helps ensure even cooking.

What type of potatoes are best for gratin?

Starchy potatoes like Russets are ideal for gratin as they break down and become creamy during baking. Waxy potatoes can hold their shape better, but they may not provide the same rich texture. You can also mix varieties for added flavor and texture.

How can I add more flavor to my gratin?

You can enhance the flavor by incorporating sautéed onions or garlic into the layers. Adding a sprinkle of cheese, such as Gruyère or cheddar, will also deepen the taste. Consider herbs like thyme or rosemary or even a splash of white wine in the cream mixture for an extra flavor boost.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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